.page-news {
  --news-cut: 14px;
  --news-line: rgba(200, 162, 76, 0.3);
  --news-ink-soft: rgba(34, 48, 60, 0.72);
  --news-ink-faint: rgba(34, 48, 60, 0.12);
  overflow-x: clip;
}

/* ---------- 通用区块头 ---------- */
.page-news .news-head {
  display: grid;
  gap: 10px;
  max-width: 780px;
}

.page-news .news-head h2 {
  margin: 0;
  font-size: clamp(23px, 3.2vw, 38px);
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-news .news-head__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  max-width: 42em;
  color: var(--stone);
}

.page-news .news-briefs .news-head h2,
.page-news .news-topics .news-head h2 {
  color: var(--ink);
}

.page-news .news-briefs .news-head__text,
.page-news .news-topics .news-head__text {
  color: var(--news-ink-soft);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding-block: clamp(30px, 5vw, 60px) clamp(40px, 6vw, 78px);
}

.page-news .news-hero__grid {
  display: grid;
  gap: 30px;
  margin-top: 26px;
}

.page-news .news-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(28px, 4.6vw, 54px);
  line-height: 1.14;
  letter-spacing: -0.025em;
  font-weight: 900;
  color: var(--mist);
  max-width: 16em;
}

.page-news .news-hero .lede {
  margin: 18px 0 0;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--stone);
  max-width: 40em;
}

.page-news .news-hero__panel {
  position: relative;
  padding: 24px 22px;
  background: var(--trench);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-news .news-facts__title {
  margin: 0 0 16px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-news .news-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-news .news-fact__num {
  display: block;
  font-size: clamp(16px, 2vw, 21px);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--gold);
  line-height: 1.3;
}

.page-news .news-fact__label {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--stone);
}

/* ---------- 最近更新 ---------- */
.page-news .news-briefs {
  padding-block: clamp(40px, 6vw, 78px);
}

.page-news .news-briefs__grid {
  display: grid;
  gap: 18px;
  margin-top: 30px;
  grid-template-columns: 1fr;
}

.page-news .news-brief {
  display: flex;
  flex-direction: column;
  gap: 11px;
  padding: 22px 20px 24px;
  background: #FBFAF7;
  border: 1px solid var(--news-ink-faint);
  clip-path: polygon(0 0, calc(100% - var(--news-cut)) 0, 100% var(--news-cut), 100% 100%, 0 100%);
}

.page-news .news-brief__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-news .news-brief__when {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(34, 48, 60, 0.55);
}

.page-news .news-brief h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.45;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-news .news-brief p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--news-ink-soft);
}

/* ---------- 标签 ---------- */
.page-news .news-label {
  display: inline-block;
  flex: none;
  padding: 3px 9px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  line-height: 1.6;
  white-space: nowrap;
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 0 100%);
}

.page-news .news-label--ship {
  background: var(--deep-red);
  color: var(--mist);
}

.page-news .news-label--doc {
  background: var(--gold);
  color: var(--night);
}

.page-news .news-label--dev {
  background: var(--teal);
  color: var(--mist);
}

.page-news .news-label--move {
  background: rgba(63, 211, 190, 0.14);
  color: var(--neon);
  box-shadow: inset 0 0 0 1px rgba(63, 211, 190, 0.5);
}

/* ---------- 阶段区 ---------- */
.page-news .news-stage {
  padding-block: clamp(44px, 6vw, 86px);
}

.page-news .news-stage__figure {
  margin: 32px 0 0;
  border: 1px solid var(--line);
  border-right: none;
  border-left: none;
}

.page-news .news-stage__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .news-stage__cap,
.page-news .news-topics__cap,
.page-news .news-docs__cap {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 10px 2px 0;
  color: var(--stone);
}

.page-news .news-topics__cap {
  color: rgba(34, 48, 60, 0.55);
}

.page-news .news-board {
  position: relative;
  display: grid;
  gap: 28px;
  margin-top: 38px;
}

.page-news .news-board__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-news .news-rail {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-news .news-rail__label {
  margin: 8px 0 0;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-news .news-rail__hint {
  margin: 4px 0 8px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--stone);
}

.page-news .news-seg {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 6px;
  border: 1px solid var(--line);
  background: rgba(10, 26, 42, 0.6);
}

.page-news .news-seg__btn {
  flex: 1 1 auto;
  min-width: 62px;
  padding: 9px 12px;
  text-align: center;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--stone);
  cursor: pointer;
  transition: color 160ms var(--ease), background 160ms var(--ease);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
}

.page-news .news-seg__btn:hover {
  color: var(--mist);
  background: rgba(63, 211, 190, 0.12);
}

.page-news #stage-all:checked ~ .news-board__rail label[for="stage-all"],
.page-news #stage-v1:checked ~ .news-board__rail label[for="stage-v1"],
.page-news #stage-v2:checked ~ .news-board__rail label[for="stage-v2"],
.page-news #stage-v3:checked ~ .news-board__rail label[for="stage-v3"] {
  background: var(--deep-red);
  color: var(--mist);
  font-weight: 700;
}

.page-news .news-legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--stone);
}

.page-news .news-legend__item {
  display: flex;
  align-items: center;
  gap: 9px;
}

.page-news .news-legend__dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.page-news .news-legend__dot--ship { background: var(--deep-red-lit); }
.page-news .news-legend__dot--doc { background: var(--gold); }
.page-news .news-legend__dot--dev { background: var(--neon); }
.page-news .news-legend__dot--move { background: var(--teal); }

/* ---------- 条目流 ---------- */
.page-news .news-board__stream {
  min-width: 0;
  border-left: 1px solid var(--news-line);
}

.page-news .news-item {
  position: relative;
  padding: 0 0 32px 24px;
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: -4.5px;
  top: 7px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--news-accent, var(--gold));
  box-shadow: 0 0 0 4px var(--trench);
}

.page-news .news-item--ship { --news-accent: var(--deep-red-lit); }
.page-news .news-item--doc { --news-accent: var(--gold); }
.page-news .news-item--dev { --news-accent: var(--neon); }
.page-news .news-item--move { --news-accent: var(--teal); }

.page-news .news-item__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 10px;
}

.page-news .news-item__when {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--stone);
}

.page-news .news-item__title {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.45;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-news .news-item__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--stone);
  max-width: 46em;
}

.page-news .news-item__path {
  margin: 10px 0 0;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: rgba(200, 162, 76, 0.9);
}

.page-news .news-item--feat {
  display: grid;
  gap: 16px;
}

.page-news .news-item__fig {
  margin: 0;
  max-width: 300px;
}

.page-news .news-item__fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-news .news-item__body {
  min-width: 0;
}

.page-news .news-more {
  margin: 0 0 0 24px;
}

.page-news .news-more .news-item:first-of-type {
  padding-top: 22px;
}

/* 阶段筛选 */
.page-news #stage-v1:checked ~ .news-board__stream .news-item:not([data-stage="v1"]),
.page-news #stage-v2:checked ~ .news-board__stream .news-item:not([data-stage="v2"]),
.page-news #stage-v3:checked ~ .news-board__stream .news-item:not([data-stage="v3"]) {
  display: none;
}

/* ---------- 专题 ---------- */
.page-news .news-topics {
  padding-block: clamp(44px, 6vw, 86px);
}

.page-news .news-topics__figure {
  margin: 30px 0 0;
}

.page-news .news-topics__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .news-topics__grid {
  display: grid;
  gap: 18px;
  margin-top: 32px;
  grid-template-columns: 1fr;
}

.page-news .topic {
  padding: 22px 20px 24px;
  background: #FBFAF7;
  border: 1px solid var(--news-ink-faint);
  border-top: 3px solid var(--deep-red);
  transition: transform 200ms var(--ease);
}

.page-news .topic:nth-child(2) { border-top-color: var(--teal); }
.page-news .topic:nth-child(3) { border-top-color: var(--gold); }

.page-news .topic:hover {
  transform: translateY(-3px);
}

.page-news .topic__count {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(34, 48, 60, 0.5);
}

.page-news .topic__name {
  margin: 0 0 10px;
  font-size: 21px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-news .topic__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--news-ink-soft);
}

.page-news .topic__list {
  max-height: 0;
  overflow: hidden;
  transition: max-height 260ms var(--ease), margin-top 260ms var(--ease);
}

.page-news .topic__list ul {
  list-style: none;
  margin: 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--news-ink-faint);
  display: grid;
  gap: 8px;
}

.page-news .topic__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.62;
  color: var(--news-ink-soft);
}

.page-news .topic__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--gold);
}

.page-news .topic:hover .topic__list,
.page-news .topic:focus-within .topic__list {
  max-height: 300px;
  margin-top: 14px;
}

.page-news .news-topics__more {
  margin: 30px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--news-ink-soft);
}

.page-news .news-topics__more a {
  color: var(--deep-red);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ---------- 资料上新 ---------- */
.page-news .news-docs {
  padding-block: clamp(44px, 6vw, 86px);
}

.page-news .news-docs__layout {
  display: grid;
  gap: 28px;
  margin-top: 34px;
}

.page-news .news-docs__figure {
  margin: 0;
}

.page-news .news-docs__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-news .news-docs__stats {
  list-style: none;
  margin: 0 0 6px;
  padding: 0 0 20px;
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-bottom: 1px solid var(--line);
}

.page-news .news-docs__stats b {
  display: block;
  font-size: clamp(17px, 2.2vw, 24px);
  font-weight: 900;
  color: var(--gold);
  letter-spacing: -0.01em;
}

.page-news .news-docs__stats span {
  display: block;
  margin-top: 4px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--stone);
}

.page-news .doc-rows {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .doc-row {
  display: grid;
  gap: 5px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .doc-row__name {
  font-size: 15.5px;
  font-weight: 800;
  color: var(--mist);
}

.page-news .doc-row__nums {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
}

.page-news .doc-row__add { color: var(--gold); font-weight: 600; }
.page-news .doc-row__rev { color: var(--neon); font-weight: 600; }

.page-news .doc-row__note {
  font-size: 14px;
  line-height: 1.68;
  color: var(--stone);
}

.page-news .news-docs__action {
  margin: 26px 0 0;
}

/* ---------- 节奏 ---------- */
.page-news .news-rhythm {
  padding-block: clamp(44px, 6vw, 86px);
}

.page-news .news-rhythm__layout {
  display: grid;
  gap: 30px;
}

.page-news .news-rhythm h2 {
  margin: 12px 0 0;
  font-size: clamp(23px, 3.2vw, 38px);
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-news .news-rhythm__text {
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--stone);
  max-width: 40em;
}

.page-news .news-tags {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .news-tags__item {
  padding: 6px 13px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  border: 1px solid var(--line);
  color: var(--stone);
}

.page-news .news-tags__item--ship { border-color: rgba(163, 35, 52, 0.7); color: #E8909B; }
.page-news .news-tags__item--doc { border-color: rgba(200, 162, 76, 0.65); color: var(--gold); }
.page-news .news-tags__item--dev { border-color: rgba(63, 211, 190, 0.55); color: var(--neon); }
.page-news .news-tags__item--move { border-color: rgba(31, 111, 107, 0.9); color: #7FC6C2; }
.page-news .news-tags__item--topic { border-color: rgba(159, 176, 192, 0.4); color: var(--stone); }

.page-news .news-cadence {
  padding: 24px 22px;
  background: rgba(10, 26, 42, 0.55);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-news .news-cadence__label {
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-news .news-cadence__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .news-cadence__row {
  display: grid;
  gap: 3px;
}

.page-news .news-cadence__key {
  font-size: 17px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-news .news-cadence__val {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--stone);
}

.page-news .news-rhythm__links {
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-news .news-rhythm__links p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--stone);
  max-width: 48em;
}

.page-news .news-rhythm__links a {
  color: var(--neon);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-news .news-briefs__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-news .news-item--feat {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 22px;
    align-items: start;
  }

  .page-news .news-item__fig {
    max-width: none;
  }

  .page-news .news-item__fig img {
    aspect-ratio: 1 / 1;
  }

  .page-news .doc-row {
    grid-template-columns: 132px 190px minmax(0, 1fr);
    align-items: baseline;
    gap: 4px 20px;
  }
}

@media (min-width: 900px) {
  .page-news .news-topics__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-news .news-rhythm__layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 52px;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: end;
    margin-top: 38px;
  }

  .page-news .news-hero__panel {
    padding: 28px 26px;
  }

  .page-news .news-board {
    grid-template-columns: 246px minmax(0, 1fr);
    gap: 54px;
  }

  .page-news .news-rail {
    position: sticky;
    top: 108px;
  }

  .page-news .news-docs__layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 52px;
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-news .news-item {
    padding-left: 30px;
  }

  .page-news .news-more {
    margin-left: 30px;
  }
}

@media (hover: none) {
  .page-news .topic__list {
    max-height: none;
    margin-top: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .topic,
  .page-news .topic__list,
  .page-news .news-seg__btn {
    transition: none;
  }

  .page-news .topic:hover {
    transform: none;
  }
}